Electrical Machines In synchronous motor the torque is proportional to 1/P P² Power P 1/P² 1/P P² Power P 1/P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 240 V 175 V 120 V 140 V 240 V 175 V 120 V 140 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When only field terminals are changed. either field terminals are reversed or armature terminals are reversed. none of above. only armature terminals are reversed. only field terminals are changed. either field terminals are reversed or armature terminals are reversed. none of above. only armature terminals are reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected in series either of these depending on the design of the motor through inductive coupling in parallel in series either of these depending on the design of the motor through inductive coupling in parallel ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. lubrication. both cooling and insulation. insulating. cooling. lubrication. both cooling and insulation. insulating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is some what less than 230 V 230 V some what more than 230 V not possible some what less than 230 V 230 V some what more than 230 V not possible ANSWER DOWNLOAD EXAMIANS APP
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